Search a number
-
+
19839284553 = 31161711271093
BaseRepresentation
bin10010011110100000…
…110111010101001001
31220012122010002002210
4102132200313111021
5311112324101203
613040344415333
71301431064514
oct223640672511
956178102083
1019839284553
118460839140
123a18177549
131b422c663a
14d62c0bd7b
157b1ac1803
hex49e837549

19839284553 has 64 divisors (see below), whose sum is σ = 30004936704. Its totient is φ = 11557728000.

The previous prime is 19839284527. The next prime is 19839284623. The reversal of 19839284553 is 35548293891.

It is a happy number.

It is not a de Polignac number, because 19839284553 - 212 = 19839280457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19839284493 and 19839284502.

It is not an unprimeable number, because it can be changed into a prime (19839285553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18150675 + ... + 18151767.

It is an arithmetic number, because the mean of its divisors is an integer number (468827136).

Almost surely, 219839284553 is an apocalyptic number.

It is an amenable number.

19839284553 is a deficient number, since it is larger than the sum of its proper divisors (10165652151).

19839284553 is a wasteful number, since it uses less digits than its factorization.

19839284553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 9331200, while the sum is 57.

The spelling of 19839284553 in words is "nineteen billion, eight hundred thirty-nine million, two hundred eighty-four thousand, five hundred fifty-three".

Divisors: 1 3 11 33 61 71 127 183 213 381 671 781 1093 1397 2013 2343 3279 4191 4331 7747 9017 12023 12993 23241 27051 36069 47641 66673 77603 85217 99187 138811 142923 200019 232809 255651 297561 416433 550037 733403 853633 1526921 1650111 2200209 2560899 4580763 4733783 6050407 8467471 9855581 14201349 18151221 25402413 29566743 52071613 93142181 108411391 156214839 279426543 325234173 601190441 1803571323 6613094851 19839284553